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Originally Posted by Mark R Dobrenski
Jimmy, as to your R22 load that you went away from cause folks here say it's temp sensitive, what issues did you personally have with it?

Also in what states did you or do you hunt with it and what is their temp ranges?

I can't imagine you're only hunting your home state if you're concerned with this, right?

Thx
Dober

No just hunting in GA, summer shooting at 96 degrees, winter down to freezing or a bit lower at times. I have no idea except that I tested two rounds in October that were developed in July with RL22 last year and they shot about 1 inch low, maybe it was me but as all good gun hacks do I made a decision from exactly one real data point and two tons of innuendo. Besides I now have 220 130 solid base bullets left to shoot up now!


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180 Nosler AB's and 70 grs. of Vit N560 nets 3000fps out of 24" barrel.

180 AB's 69.5 grs. Supreme 780. I am getting 3100 out of 26" barrel.

Both loads are about a thousandths off the lans.

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Jimmy- a couple of thoughts for you to chew over, while we wait for the seasons to start... cool

Are you running a chronograph?

I'd try it again as well and see if it truly dropped one inch and if so it has to be the speed diffs/

Was it with the same lot of powder that was used in the summer testing?

Just some thoughts, also a quick question. I've always considered Ga to be a warm summer state and still pretty warm in the fall hunting time. Seriously, what temps do you run normally in the fall season?

Many thx

Dober


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Winchester model 70 classic stainless w/24" barrel
168 TSX and H4350
Fed 210
WW brass
mv 3075

[Linked Image]

I've only tried 168 tsx and 180 accubonds so far. I'm using the tsx's for elk this season.

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Lochsa, that's perfect! Having played with four or five 300 WSM's, I think that's exactly the top velocity to expect with a 165/68 grain bullet from a 24" bbl. I've also found better and more consistent results with non-magnum primers when using stick powders in the 300.


“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
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I forgot to mention that credit goes to Brad. He suggested using H4350 and it was the best of all powders tried.

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I tried like hell to get those things to fly right. No dice.

Good shootin' BTW lochsa!

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Dober, I will try it again, I think I have a few more 130 AB's to shoot. You seem to be leaning towards RL22 not being temperature sensitive. I just don't know, I had a good time developing a load for the cup and core 130 grain nosler seconds. Do you think if I shot them out of a 26 inch barrel over 60 grains of RL22 that they would go to pieces on a deers shoulder? Your right my next major reloading investment is a chronograph.


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Today I chronoed a couple 300 WSM loads from my Savage model 16.

130 gr TTSX over 55 gr of RL15- 3521, 3499 fps

165 gr Accubond over 66 gr of RL17- 3144, 3159 fps

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Tikka 24" 300 WSM WW case, CCI 250 primer, 200 Gr Nosler AB, RL 26 70.5 GR, 2908 FPS, 3 @ .74" 100 yards


kk alaska

Alaska 7 months of winter then 5 months of tourists
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Originally Posted by lochsa

Winchester model 70 classic stainless w/24" barrel
168 TSX and H4350
Fed 210
WW brass
mv 3075

[Linked Image]

I've only tried 168 tsx and 180 accubonds so far. I'm using the tsx's for elk this season.


I worked up to this load (65.5 gr H4350) in my 24" ULA. 3031 fps and 7/8" groups. I tried .050" of the lands and it shot a 7/8" group and then tried .065" off the lands. The latter group was the same size, but a bit more rounded group. What was interesting was that the .065" of the lands group had marginally higher velocity, and very low ES (3) and SD (4). And for these groups I followed Brad's suggestion and used Large Rifle primers (210 Federal Match) and not the Match 215s that I had been using.

Last edited by logger; 11/27/20.
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12 year old thread


Throttle fixes everything. If it doesn't fix the problem, it’ll end the suspense.
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Uh
Originally Posted by Reloder28
12 year old thread

Yes and it isn’t dead yet

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Maybe be old, but the info is not. I first loaded a 150 TSX over a boatload of H4350 and clocked them at 3200+.

I have a few pounds of W760 that I am loading in the 300WSM now.

(Post in thread, so I can find it again!)

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Just bought a .300 WSM a 2003 or 2004 Kimber Classic wood stock....only factory ammo I could find was made by Barnes loaded with a 150 TTSX. Grouped fairly well with a 1-6x42 S&B scope...and chronographed 3325 fps.

I'm hoping at least match or top that with a handload.

I've since got together a set of Forstner dies (a micro seater and full lenght sizer)....shell holders and Wilson case trimmer dies (new and fired) and 50 new Winchester cases and some 215 Federal magnum primers and powder.

Picked up a Stoney point threaded case and looks like I can get right up on the rifling and stay in the magazine box.

I plan on starting out with a 150 gr. Nosler Ballistic tip....IMR 4064 and IMR 4198.

I'm in the process of changing scopes might be a little while but l'll keep you posted.

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As someone mentioned, when loading Barnes projectiles you might find that they need a little "jump" before the rifling for best accuracy.

It might be as big as a 50 thousands jump or as small as a 20 thousands.

Your 4064 might work in sine 300WSM loads, but the 4198 won't work. The best powders I have found are RL15, W760, H4350, IMR4350, IMR4895, and Varget. By "best" I mean will produce great velocity and are accurate.

Good Luck!

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I miss spoke its IMR 4064 and IMR 4831 powder that I bought....and I'll be loading Nosler bullets.

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RL 16 and StaBALL 6.5 are also decent powders in the .300 WSM. I currently use 6.5 StaBALL in a load, but moving to RL16 and H4350 for new loads I’m working on.

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H4350 has always worked very well for me.


Originally Posted by raybass
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style.
Originally Posted by Pharmseller
You want to see an animal drop right now? Shoot him in the ear hole.

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Moving on from RL16 in the .300 WSM, I just could not get the accuracy I expect from it. Best to date was a 5 shot group at 1.4”. I’ve played with seating depths on the 165 gr. AB and the best accuracy was .050” off the lands.

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